000 00300nam a2200121Ia 4500
008 231006s9999||||xx |||||||||||||| ||und||
020 _a9788181281791
041 _aeng
100 _aRatman, Joseph J.
_914003
245 0 _aIntroduction to algebraic topology
260 _bSpringer
_c1988
942 _cBK
999 _c23264
_d23264